KT6739 MPP Pen SoC Controller

KT6739 is touch control SOC with enhanced analog front end (AFE) circuit. KT6739 new AFE supports mutual capacitor sensing and Microsoft PEN MPP2.0/1.51 active stylus. It supports max. CDx48 and CS x 84 channels.


●Touch controller SOC
● Support CD x 48 channel, CS x 84 channel
● Support mutual capacitor sensing with high-voltage driving
● Run-time auto-detect Microsoft PEN MPP2.0 and MPP1.51 protocol.

  •  32-bit CPU with timer and interrupt handling
  •  Internal ROM and SRAM for instruction and data

● Host interface

  •  USB full speed device interface
  •  I2C slave interface (max. 400KHz)
  •  UART

● Mutual touch sensing channels

  •  84 Channels sensing channel
  •  10-bit ADC

● Touch and Pen signal processing HW
● Provide 266 Hz pen scan and report rate under MPP2.0
● Integrated 3.3V to HV booster (10V ~ 32V)
● Integrated 3.3V to 1.8V buck converter
● Integrated low voltage detection circuit, trigger reset when VIN < 2.7V and release when VIN>=3.1V
● Supply voltage

  • Core supply: 1.65 ~ 1.98V
  • IO supply : 1.7-3.6V
  • Analog supply voltage: 3.1-3.6V
  • VCDP high voltage: up-to 32V

● Power consumption

  • HIDI2C Modern stand-by power: < 2mW
  • Full active mode 250 ~300 mW (10 finger + active Pen)

● Package type : BGA168 6x11.5 x 0.8 mm, ball pitch 0.5mm